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...)Â² / (2 * 9.81) m = 11 m ==== b. Refer to the diagram below

**for**parts b and c. Consider the vertical motion (uniform acceleration motion...1 Answers Â· Science & Mathematics Â· 31/12/2019

...10^-3*10^3*10 V = âˆš 21.4*16/3*10 â‰… 34 m/sec = 76 MPH the time

**needed****for**reaching that**speed**is nearly 3 times the time taken in vacuum , i.e. 3*34/10...3 Answers Â· Science & Mathematics Â· 29/11/2019

fâ€™ = observed frequency f = source frequency v =

**speed**of sound vâ‚› = sourceâ€™s**speed**= 72 km/h = 20m/s vâ‚€ = observerâ€™s**speed**= 32km...3 Answers Â· Science & Mathematics Â· 17/09/2019

The

**speed**is not**needed****for**the total energy required if any gain in kinetic energy at the beginning is used in permitting the elevator to coast to a stop. E = mgh = ( 700+600)*10 * 9 = 117 kJ approximately.2 Answers Â· Science & Mathematics Â· 15/08/2019

... v = 15.3 m/s t = 7.10 s and arrange the equation

**for**the unknown u: 0.5*(u+v)*t = s (u + v)t = 2s (u + v) = (2s)/t u... in the question.) Therefore the antelope's initial**speed**was 4.14 m/s to 3sf.1 Answers Â· Science & Mathematics Â· 28/01/2019

...motion and we can use the standard formula: max.

**speed**= Ï‰ * amplitude We donâ€™t**need**the wave**speed**(14m/s) as we told frequency and Ï‰ = 2Ï€f. Hence: max.**speed**= 2Ï€f * amplitude**For**wave A, max. particle**speed**= 2Ï€(7) * 0.50 = 22.0m/s**For**wave B...1 Answers Â· Science & Mathematics Â· 01/05/2019

Since the baseball player is moving at a constant

**speed**, the friction force is equal to the centripetal force. To solve this problem, I will**need**to determine the exact number**for**the centripetal force. This is good way to check your answer. ...3 Answers Â· Science & Mathematics Â· 02/02/2019

... be reachable by the bullet. Let's say the bullet is in the air

**for**time "t." If the bullet is just able to reach the car, impact...2 Answers Â· Science & Mathematics Â· 10/07/2019

...definitely spin a rock at 10% faster

**speed**without**needing**a longer rope. Maybe we are...39;ve been stated in the question.**For****speed**Fcp = mv^2 / r If you want that to...1 Answers Â· Science & Mathematics Â· 11/02/2019

...) is maximum (max value = Ï‰A when x=0). Ï‰ is a constant so

**for**half max.**speed**we**need**âˆš(AÂ² - xÂ²) = A/2 AÂ² - xÂ² = AÂ²/4 ...2 Answers Â· Science & Mathematics Â· 27/02/2019

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